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author | Jason Gunthorpe <jgg@mellanox.com> | 2019-06-28 21:18:23 -0300 |
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committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-06-28 21:18:23 -0300 |
commit | 371bb62158d53c1fc33e2fb9b6aeb9522caf6cf4 (patch) | |
tree | 9442ae9b22e3cf24fbe8dcefae8862a3e4e05629 /drivers/vhost/vhost.c | |
parent | RDMA/hns: fix spelling mistake "attatch" -> "attach" (diff) | |
parent | Linux 5.2-rc6 (diff) | |
download | linux-dev-371bb62158d53c1fc33e2fb9b6aeb9522caf6cf4.tar.xz linux-dev-371bb62158d53c1fc33e2fb9b6aeb9522caf6cf4.zip |
Merge tag 'v5.2-rc6' into rdma.git for-next
For dependencies in next patches.
Resolve conflicts:
- Use uverbs_get_cleared_udata() with new cq allocation flow
- Continue to delete nes despite SPDX conflict
- Resolve list appends in mlx5_command_str()
- Use u16 for vport_rule stuff
- Resolve list appends in struct ib_client
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r-- | drivers/vhost/vhost.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 1e3ed41ae1f3..e995c12d8e24 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Copyright (C) 2009 Red Hat, Inc. * Copyright (C) 2006 Rusty Russell IBM Corporation * @@ -6,8 +7,6 @@ * Inspiration, some code, and most witty comments come from * Documentation/virtual/lguest/lguest.c, by Rusty Russell * - * This work is licensed under the terms of the GNU GPL, version 2. - * * Generic code for virtio server in host kernel. */ @@ -413,8 +412,24 @@ static void vhost_dev_free_iovecs(struct vhost_dev *dev) vhost_vq_free_iovecs(dev->vqs[i]); } +bool vhost_exceeds_weight(struct vhost_virtqueue *vq, + int pkts, int total_len) +{ + struct vhost_dev *dev = vq->dev; + + if ((dev->byte_weight && total_len >= dev->byte_weight) || + pkts >= dev->weight) { + vhost_poll_queue(&vq->poll); + return true; + } + + return false; +} +EXPORT_SYMBOL_GPL(vhost_exceeds_weight); + void vhost_dev_init(struct vhost_dev *dev, - struct vhost_virtqueue **vqs, int nvqs, int iov_limit) + struct vhost_virtqueue **vqs, int nvqs, + int iov_limit, int weight, int byte_weight) { struct vhost_virtqueue *vq; int i; @@ -428,6 +443,8 @@ void vhost_dev_init(struct vhost_dev *dev, dev->mm = NULL; dev->worker = NULL; dev->iov_limit = iov_limit; + dev->weight = weight; + dev->byte_weight = byte_weight; init_llist_head(&dev->work_list); init_waitqueue_head(&dev->wait); INIT_LIST_HEAD(&dev->read_list); |